forked from extern/egroupware
226 lines
10 KiB
PHP
226 lines
10 KiB
PHP
<?php
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/**
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* EGroupware - eTemplate serverside implementation of the nextmatch widget
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*
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* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
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* @package etemplate
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* @subpackage api
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* @link http://www.egroupware.org
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* @author Ralf Becker <RalfBecker@outdoor-training.de>
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* @copyright 2002-11 by RalfBecker@outdoor-training.de
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* @version $Id$
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*/
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/**
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* eTemplate serverside implementation of the nextmatch widget
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*
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* $content[$id] = array( // I = value set by the app, 0 = value on return / output
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* 'get_rows' => // I method/callback to request the data for the rows eg. 'notes.bo.get_rows'
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* 'filter_label' => // I label for filter (optional)
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* 'filter_help' => // I help-msg for filter (optional)
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* 'no_filter' => True// I disable the 1. filter
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* 'no_filter2' => True// I disable the 2. filter (params are the same as for filter)
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* 'no_cat' => True// I disable the cat-selectbox
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* 'cat_app' => // I application the cat's should be from, default app in get_rows
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* 'cat_is_select' => // I true||'no_lang' use selectbox instead of category selection, default null
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* 'template' => // I template to use for the rows, if not set via options
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* 'header_left' => // I template to show left of the range-value, left-aligned (optional)
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* 'header_right' => // I template to show right of the range-value, right-aligned (optional)
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* 'bottom_too' => True// I show the nextmatch-line (arrows, filters, search, ...) again after the rows
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* 'never_hide' => True// I never hide the nextmatch-line if less then maxmatch entries
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* 'lettersearch' => True// I show a lettersearch
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* 'searchletter' => // I0 active letter of the lettersearch or false for [all]
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* 'start' => // IO position in list
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* 'num_rows' => // IO number of rows to show, defaults to maxmatches from the general prefs
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* 'cat_id' => // IO category, if not 'no_cat' => True
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* 'search' => // IO search pattern
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* 'order' => // IO name of the column to sort after (optional for the sortheaders)
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* 'sort' => // IO direction of the sort: 'ASC' or 'DESC'
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* 'col_filter' => // IO array of column-name value pairs (optional for the filterheaders)
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* 'filter' => // IO filter, if not 'no_filter' => True
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* 'filter_no_lang' => True// I set no_lang for filter (=dont translate the options)
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* 'filter_onchange'=> 'this.form.submit();' // I onChange action for filter, default: this.form.submit();
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* 'filter2' => // IO filter2, if not 'no_filter2' => True
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* 'filter2_no_lang'=> True// I set no_lang for filter2 (=dont translate the options)
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* 'filter2_onchange'=> 'this.form.submit();' // I onChange action for filter2, default: this.form.submit();
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* 'rows' => // O content set by callback
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* 'total' => // O the total number of entries
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* 'sel_options' => // O additional or changed sel_options set by the callback and merged into $tmpl->sel_options
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* 'no_columnselection' => // I turns off the columnselection completly, turned on by default
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* 'columnselection-pref' => // I name of the preference (plus 'nextmatch-' prefix), default = template-name
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* 'default_cols' => // I columns to use if there's no user or default pref (! as first char uses all but the named columns), default all columns
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* 'options-selectcols' => // I array with name/label pairs for the column-selection, this gets autodetected by default. A name => false suppresses a column completly.
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* 'return' => // IO allows to return something from the get_rows function if $query is a var-param!
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* 'csv_fields' => // I false=disable csv export, true or unset=enable it with auto-detected fieldnames or preferred importexport definition,
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* array with name=>label or name=>array('label'=>label,'type'=>type) pairs (type is a eT widget-type)
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* or name of import/export definition
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* 'row_id' => // I key into row content to set it's value as tr id, eg. 'id'
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* 'actions' => // I array with actions, see nextmatch_widget::egw_actions
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* 'action_links' => // I array with enabled actions or ones which should be checked if they are enabled
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* optional, default id of all first level actions plus the ones with enabled='javaScript:...'
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* 'action_var' => 'action' // I name of var to return choosen action, default 'action'
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* 'action' => // O string selected action
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* 'selected' => // O array with selected id's
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* 'checkboxes' => // O array with checkbox id as key and boolean checked value
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* 'select_all' => // O boolean value of select_all checkbox, reference to above value for key 'select_all'
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*/
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class etemplate_widget_nextmatch extends etemplate_widget
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{
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public function __construct($xml='')
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{
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if($xml) parent::__construct($xml);
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}
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/**
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* Number of rows to send initially
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*/
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const INITIAL_ROWS = 25;
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/**
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* Set up what we know on the server side.
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*
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* Sending a first chunk of rows
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*
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* @param string $cname
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*/
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public function beforeSendToClient($cname)
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{
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$attrs = $this->attrs;
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$form_name = self::form_name($cname, $this->id);
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$value =& self::get_array(self::$request->content, $form_name, true);
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$value['start'] = 0;
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$value['num_rows'] = self::INITIAL_ROWS;
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$value['total'] = self::call_get_rows($value, $value['rows'], self::$request->readonlys);
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// todo: no need to store rows in request, it's enought to send them to client
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error_log(__METHOD__."() $this: total=$value[total]");
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foreach($value['rows'] as $n => $row) error_log("$n: ".array2string($row));
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}
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/**
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* Callback to fetch more rows
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*
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* @param string $exec_id identifys the etemplate request
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* @param array $fetchList array of array with values for keys "startIdx" and "count"
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* @param string full id of widget incl. all namespaces
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* @return array with values for keys 'total', 'rows', 'readonlys'
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*/
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static public function ajax_get_rows($exec_id, $fetchList, $form_name='nm')
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{
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error_log(__METHOD__."(".array2string($fetchList).")");
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// Force the array to be associative
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self::$request = etemplate_request::read($exec_id);
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$value = self::get_array(self::$request->content, $form_name, true);
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$result = array('rows' => array());
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foreach ($fetchList as $entry)
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{
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$value['start'] = $entry['startIdx'];
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$value['num_rows'] = $entry['count'];
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$rows = array();
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$result['total'] = self::call_get_rows($value, $rows, $result['readonlys']);
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foreach($rows as $n => $row)
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{
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$result['rows'][$entry['startIdx']+$n] = $row;
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}
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}
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/*
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$result = array("null" => null);
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foreach ($fetchList as $entry)
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{
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for ($i = 0; $i < $entry["count"]; $i++)
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{
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$result[$entry["startIdx"] + $i] = json_decode('{"info_id":"5","info_type":"email","info_from":"tracker","info_addr":"tracker","info_subject":"InfoLog grid view: problem with Opera; \'permission denied\' while saving","info_des":"<snip>","info_owner":"5","info_responsible":[],"info_access":"public","info_cat":"0","info_datemodified":1307112528,"info_startdate":1306503000,"info_enddate":"0", "info_id_parent":"0","info_planned_time":"0","info_replanned_time":"0","info_used_time":"0","info_status":"done", "info_confirm":"not","info_modifier":"5","info_link_id":0,"info_priority":"1","pl_id":"0","info_price":null, "info_percent":"100%","info_datecompleted":1307112528,"info_location":"","info_custom_from":1, "info_uid":"infolog-5-18d12c7bf195f6b9d602e1fa5cde28f1","info_cc":"","caldav_name":"5.ics","info_etag":"0", "info_created":1307112528,"info_creator":"5","links":[],"info_anz_subs":0,"sub_class":"normal_done","info_link":{"title":"tracker"},"class":"rowNoClose rowNoCloseAll ","info_type_label":"E-Mail","info_status_label":"done","info_number":"5"}');
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}
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}
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*/
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$response = egw_json_response::get();
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$response->data($result);
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}
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/**
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* Calling our callback
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*
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* Signature of get_rows callback is either:
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* a) int get_rows($query,&$rows,&$readonlys)
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* b) int get_rows(&$query,&$rows,&$readonlys)
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*
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* If get_rows is called static (and php >= 5.2.3), it is always b) independent on how it's defined!
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*
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* @param array &$value
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* @param array &$rows=null
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* @param array &$readonlys=null
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* @param object $obj=null (internal)
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* @param string|array $method=null (internal)
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* @return int|boolean total items found of false on error ($value['get_rows'] not callable)
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*/
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private static function call_get_rows(array &$value,array &$rows=null,array &$readonlys=null,$obj=null,$method=null)
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{
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if (is_null($method)) $method = $value['get_rows'];
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if (is_null($obj))
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{
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// allow static callbacks
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if(strpos($method,'::') !== false)
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{
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list($class,$method) = explode('::',$method);
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// workaround for php < 5.2.3: do NOT call it static, but allow application code to specify static callbacks
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if (version_compare(PHP_VERSION,'5.2.3','>='))
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{
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$method = array($class,$method);
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unset($class);
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}
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}
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else
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{
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list($app,$class,$method) = explode('.',$value['get_rows']);
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}
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if ($class)
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{
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if (!$app && !is_object($GLOBALS[$class]))
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{
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$GLOBALS[$class] = new $class();
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}
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if (is_object($GLOBALS[$class])) // use existing instance (put there by a previous CreateObject)
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{
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$obj = $GLOBALS[$class];
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}
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else
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{
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$obj = CreateObject($app.'.'.$class);
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}
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}
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}
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if(is_callable($method)) // php5.2.3+ static call (value is always a var param!)
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{
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$total = call_user_func_array($method,array(&$value,&$rows,&$readonlys));
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}
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elseif(is_object($obj) && method_exists($obj,$method))
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{
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if (!is_array($readonlys)) $readonlys = array();
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$total = $obj->$method($value,$rows,$readonlys);
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}
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else
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{
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$total = false; // method not callable
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}
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/* no automatic fallback to start=0
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if ($method && $total && $value['start'] >= $total)
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{
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$value['start'] = 0;
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$total = self::call_get_rows($value,$rows,$readonlys,$obj,$method);
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}
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*/
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// otherwise we get stoped by max_excutiontime
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if ($total > 200) @set_time_limit(0);
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//error_log($value['get_rows'].'() returning '.array2string($total).', method = '.array2string($method).', value = '.array2string($value));
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return $total;
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}
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}
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